<h1><strong>Description:</strong></h1><h3></h3><h3>Product model: M5</h3><h3></h3><h3>Bluetooth version: Bluetooth V5.4</h3><h3></h3><h3>Support protocol: rx: a2dp avrctx: a2dp</h3><h3></h3><h3>Working frequency band: 2.402GHz -2.480GHz</h3><h3></h3><h3>Power level: Power level 2 (Class II)</h3><h3></h3><h3>Sensitivity: -85dBm<0.1% BER</h3><h3></h3><h3>Signal to noise ratio: ≥90dB</h3><h3></h3><h3>Distortion: ≤0.1%</h3><h3></h3><h3>Interface type: input: 3.5mm AUX+RCA+USB+TF output: 3.5mm AUX+RCA.</h3><h3></h3><h3>Supported formats: MP3/WAV/WMA/APE/FLAC/G729/M4A/ALAC/AMR/DTS/MIDI/G726/MTY.</h3><h3></h3><h3>Screen size: 33*14*4MM</h3><h3></h3><h3>Operating current: <40mA</h3><h3></h3><h3>Built-in battery: 3.7V/400mAh(3.7W)</h3><h3></h3><h3>Charging current: about 500mA, and the charging time is about 1 hour.</h3><h3></h3><h3>Duration: about 6-8H for RX and 8H for TX.</h3><h3></h3><h3>Bluetooth distance: 10M (under barrier-free conditions)</h3><h3></h3><h3>Charging method: Type-C 5V/0.5A.</h3><h3></h3><h3>Compatible devices: Android, IOS mobile phones and IPAD, active speakers, amplifiers and Bluetooth speakers or headphones supporting A2DP protocol.</h3><h3></h3><h3></h3><h3></h3><h1><strong>Packing list:</strong></h1><h3></h3><h3>Bluetooth adapter host x1</h3><h3></h3><h3>Type-C charging line x1</h3><h3></h3><h3>3.5mm audio line x1</h3><h3></h3><h3>Red and white RCA line x1</h3><h3></h3><h3>Instruction x1</h3><p></p>